The Flange,exhaust Pipe, cataloged under National Stock Number 2990-01-270-4893, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wheeler Fleet Solutions, Co.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-270-4893 |
| Primary Part Number | 491289C2 |
| Item Name | Flange,exhaust Pipe |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 491289C2 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| 1649783C91 | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| 491289C2 | 5/9 Secondary reference U.S. Government activity |
| 1649783C91 | 5/2 Secondary reference U.S. Government activity |
| R004968R | 3/2 Design control — primary reference U.S. Government activity |
NSN 2990-01-270-4893 is a Flange,exhaust Pipe, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-270-4893 has 2 manufacturer part numbers on file: 491289C2 (Wheeler Fleet Solutions, Co.), 1649783C91 (Wheeler Fleet Solutions, Co.).
Key specifications for 491289C2: Special Features: COMPANION FLANGE USED ON SPECIFIC PROPELLER SHAFT ON CERTAIN INTERNATIONAL TRUCKS MT126 GROUP 06-002. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.